Viola is the smallest off-the-shelf carrier board and is compatible with the entire Colibri product family. Carefully selected features packed in a small form factor makes the Viola carrier board suitable for a wide range of embedded applications. The Viola carrier board is an ideal choice to create low cost embedded solutions. Viola carrier board is designed keeping production environment in mind. For evaluation and development purpose, customers are advised to use Colibri Evaluation Board or Iris Carrier Board.
The Viola V1.2 carrier board will be available in two assembly variants:

Viola

Viola Plus

This section contains initial information needed to set-up the Viola Carrier Board for the first time.

The table below list down the main features available on the Viola V1.2 and Viola Plus V1.2 Carrier Boards.

✓ : Assembled by default.
✖ : Not Assembled.

Features

Viola V1.2

Viola Plus V1.2

Ethernet Connector (X5)

✓

✓

2x USB Host (X6, Dual Stacked Type-A)

✓

✓

USB Client (X4, Micro-AB Type)

✖

✓

Micro SD Card Connector (X8)

✓

✓

Unified Interface Display (X7)

✓

✓

Extension Connector (X9)

SPI, I2C, UART - A/B/C

PWM Output

CAN *

Parallel Camera Interface (CIF) signals *

Up-to 35 GPIOs

✖

✓

Audio Connector (X10)

Headphone, Mic In, Audio In

Parallel Camera Interface (CIF) signals *

✖

✓

Colibri VFxx Tamper Connector (X11)

✖

✖

Terminal Block Power Supply Connector (X3)

✓

✓

Barrel Power Supply Connector (X2)

✖

✓

Battery Holder (BAT1)

✓

✓

External RTC

✖

✓

LED Indication (3.3V Power)

✓

✓

CAN: This is module specific feature and may not be supported on all the modules in Colibri Family. Please refer Colibri module datasheets for more details.

Parallel Camera Interface (CIF) signals are connected to the connectors X9 and X10.

* Please note that these features are module-specific and may not be supported by all the computer-on-modules in the Colibri family. For more details, refer to the datasheet of Colibri computer-on-modules.